.admin-panel {
    background-color: #f8f9fa;
    min-height: 100vh;
    padding-top: 56px;
}

.sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 20px 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.1);
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
}

.sidebar .nav-link.active {
    color: #007bff;
    background-color: rgba(0,123,255,.1);
}

.main-content {
    margin-left: 220px;
    padding: 20px;
}

.alert-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 1050;
    min-width: 300px;
}

.table-hover tbody tr:hover {
    background-color: rgba(0,0,0,.075);
}

.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}